<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>demo</title>
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
</head>
<body>
<div>
    <textarea id="msg" placeholder="异步消息显示"></textarea>
</div>
</body>
</html>

<script type="text/javascript">
    $.get("https://x.wensixuetang.com/wx/", function (result) {
        $("div").html(result);
    });
</script>